.ev-calc-container {
    max-width: 640px;
    margin: 0 auto;
    padding: 40px 30px;
    background: #000;
    border-radius: 12px;
    color: #fff;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
    text-align: center;
    font-family:futura-pt-bold;
}

.ev-calc-container label {
    font-weight: bold;
    font-size: 1.1em;
    margin-bottom: 10px;
    display: block;
    text-align: left;    font-family:futura-pt-bold;

}

.ev-calc-container input[type="number"],
.ev-calc-container .fusion-text input[type="number"] {
    width: 100%;
    padding: 15px;
    font-size: 1em;
    background: #222;
    border: none;
    color: #fff;
    border-radius: 6px;
    margin-bottom: 20px;
    box-sizing: border-box;    font-family:futura-pt-bold;

}

.unit-toggle {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 10px;    font-family:futura-pt-bold;

}

.unit-toggle button {
    flex: 1 1 30%;
    padding: 12px;
    background: #111;
    color: #fff;
    border: 2px solid #d0202e;
    font-weight: bold;
    font-size: 1em;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;    font-family:futura-pt-bold;

}

.unit-toggle button:hover,
.unit-toggle button.active {
    background: #d0202e;
    color: #fff;
}

#calculate_btn {
    width: 100%;
    background: #d0202e;
    color: #fff;
    padding: 15px;
    font-size: 1.1em;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 30px;
    transition: background 0.2s ease;
}

#calculate_btn:hover {
    background: #a0001e;
}

.result {
    background: #111;
    padding: 25px;
    border-radius: 8px;
    font-size: 1.3em;
    position: relative;    font-family:futura-pt-bold;

}

.result:before {
   /* content: "💰"; */
    font-size: 2em;
    display: block;
    margin-bottom: 10px;
}

#savings_result {
    font-size: 2.5em;
    font-weight: bold;
    margin-top: 10px;
       color: #fff;
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
    .ev-calc-container {
        padding: 25px 15px;
    }

    .unit-toggle button {
        flex: 1 1 100%;
    }
}